Aditya Manthramurthy <******@****.***> 1665205956 -0700

package cmd

import (
	"syscall"
)

// Returns true if no error and there is no object or prefix inside this directory
func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)
		if err != nil {
			return false
		}

```
commit 886262e58af77ebc7c836ef587c08544e9a0c271
Author: Harshavardhana <******@****.***>
Date:   Wed Nov 17 15:49:12 2021 -0800

    heal legacy objects when versioning is enabled after upgrade (#13671)
```

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package logger

import (
	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/logger/target/http"
)

// Legacy envs
const (
	legacyEnvAuditLoggerHTTPEndpoint = "MINIO_AUDIT_LOGGER_HTTP_ENDPOINT"
	legacyEnvLoggerHTTPEndpoint      = "MINIO_LOGGER_HTTP_ENDPOINT"
)

const (
	// SealAlgorithm is the encryption/sealing algorithm used to derive & seal
	// the key-encryption-key and to en/decrypt the object data.
	SealAlgorithm = "DAREv2-HMAC-SHA256"

	// InsecureSealAlgorithm is the legacy encryption/sealing algorithm used
	// to derive & seal the key-encryption-key and to en/decrypt the object data.
	// This algorithm should not be used for new objects because its key derivation

	EnvMinIOPrometheusAuthToken   = "MINIO_PROMETHEUS_AUTH_TOKEN"

	EnvUpdate = "MINIO_UPDATE"

	EnvEndpoints  = "MINIO_ENDPOINTS"   // legacy
	EnvWorm       = "MINIO_WORM"        // legacy
	EnvRegion     = "MINIO_REGION"      // legacy
	EnvRegionName = "MINIO_REGION_NAME" // legacy

)

// Expiration Token durations
// These values are used to validate the expiration time range from

	if err != nil {
		// Could not probe the kernel version
		return false
	}

	if currentKernel == 0 {
		// We could not get any valid value return false
		return false
	}

	// legacy linux indicator for printing warnings
	// about older Linux kernels and Go runtime.
	return currentKernel < kernel.Version(4, 0, 0)
}

func setMaxResources(ctx *cli.Context) (err error) {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package compress

import (
	"strings"

	"github.com/minio/minio/internal/config"
)

// Legacy envs.
const (
	EnvCompress                 = "MINIO_COMPRESS"
	EnvCompressMimeTypesLegacy1 = "MINIO_COMPRESS_MIMETYPES"

	// These envs were wrong but we supported them for a long time

Harshavardhana <******@****.***> 1622584780 -0700

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package opa

import (
	"github.com/minio/minio/internal/config"
)

// Legacy OPA envs
const (
	EnvIamOpaURL       = "MINIO_IAM_OPA_URL"
	EnvIamOpaAuthToken = "MINIO_IAM_OPA_AUTHTOKEN"
)